28706742

28,706,742 is an even composite number composed of three prime numbers multiplied together.

What does the number 28706742 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

28706742 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28706742:

2 × 3² × 1594819

(2 × 3 × 3 × 1594819)

See below for interesting mathematical facts about the number 28706742 from the Numbermatics database.

Names of 28706742

Cardinal: 28706742 can be written as Twenty-eight million, seven hundred six thousand, seven hundred forty-two.

Scientific notation

Scientific notation: 2.8706742 × 10⁷

Factors of 28706742

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1594824

Divisors of 28706742

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 6 9 18 1594819 3189638 4784457 9568914 14353371 28706742
Sum of all divisors σ(n): 62197980
Sum of proper divisors (its aliquot sum) s(n): 33491238
28706742 is an abundant number, because the sum of its proper divisors (33491238) is greater than itself. Its abundance is 4784496

Bases of 28706742

Binary: 1101101100000011110110110₂
Hexadecimal: 0x1B607B6
Base-36: H3A9I

Squares and roots of 28706742

28706742 squared (28706742²) is 824077036254564
28706742 cubed (28706742³) is 23656566867884415070488
The square root of 28706742 is 5357.8672995887
The cube root of 28706742 is 306.1925611005

Scales and comparisons

How big is 28706742?

28,706,742 seconds is equal to 47 weeks, 3 days, 6 hours, 5 minutes, 42 seconds.
To count from 1 to 28,706,742 would take you about nineteen weeks!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 28706742 cubic inches would be around 25.5 feet tall.

Recreational maths with 28706742

28706742 backwards is 24760782
The number of decimal digits it has is: 8
The sum of 28706742's digits is 36
More coming soon!

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The information we have on file for 28706742 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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